mirror of
https://github.com/KolibriOS/kolibrios.git
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101 lines
2.9 KiB
Plaintext
101 lines
2.9 KiB
Plaintext
(*
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BSD 2-Clause License
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Copyright (c) 2019-2020, Anton Krotov
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All rights reserved.
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*)
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MODULE LINAPI;
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IMPORT SYSTEM, API, Libdl;
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TYPE
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TP* = ARRAY 2 OF INTEGER;
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SOFINI* = PROCEDURE;
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VAR
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libc*, librt*: INTEGER;
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stdout*,
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stdin*,
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stderr* : INTEGER;
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malloc* : PROCEDURE [linux] (size: INTEGER): INTEGER;
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free* : PROCEDURE [linux] (ptr: INTEGER);
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exit* : PROCEDURE [linux] (code: INTEGER);
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puts* : PROCEDURE [linux] (pStr: INTEGER);
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fwrite*,
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fread* : PROCEDURE [linux] (buffer, bytes, blocks, file: INTEGER): INTEGER;
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fopen* : PROCEDURE [linux] (fname, fmode: INTEGER): INTEGER;
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fclose* : PROCEDURE [linux] (file: INTEGER): INTEGER;
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time* : PROCEDURE [linux] (ptr: INTEGER): INTEGER;
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clock_gettime* : PROCEDURE [linux] (clock_id: INTEGER; VAR tp: TP): INTEGER;
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PROCEDURE SetFini* (ProcFini: SOFINI);
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BEGIN
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API.SetFini(ProcFini)
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END SetFini;
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PROCEDURE GetSym (lib: INTEGER; name: ARRAY OF CHAR; VarAdr: INTEGER);
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VAR
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sym: INTEGER;
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BEGIN
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sym := Libdl.sym(lib, name);
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ASSERT(sym # 0);
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SYSTEM.PUT(VarAdr, sym)
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END GetSym;
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PROCEDURE init;
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BEGIN
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libc := API.libc;
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GetSym(libc, "exit", SYSTEM.ADR(exit));
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GetSym(libc, "puts", SYSTEM.ADR(puts));
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GetSym(libc, "malloc", SYSTEM.ADR(malloc));
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GetSym(libc, "free", SYSTEM.ADR(free));
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GetSym(libc, "fread", SYSTEM.ADR(fread));
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GetSym(libc, "fwrite", SYSTEM.ADR(fwrite));
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GetSym(libc, "fopen", SYSTEM.ADR(fopen));
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GetSym(libc, "fclose", SYSTEM.ADR(fclose));
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GetSym(libc, "time", SYSTEM.ADR(time));
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GetSym(libc, "stdout", SYSTEM.ADR(stdout)); SYSTEM.GET(stdout - SYSTEM.SIZE(INTEGER), stdout);
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GetSym(libc, "stdin", SYSTEM.ADR(stdin)); SYSTEM.GET(stdin - SYSTEM.SIZE(INTEGER), stdin);
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GetSym(libc, "stderr", SYSTEM.ADR(stderr)); SYSTEM.GET(stderr - SYSTEM.SIZE(INTEGER), stderr);
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librt := Libdl.open("librt.so.1", Libdl.LAZY);
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GetSym(librt, "clock_gettime", SYSTEM.ADR(clock_gettime))
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END init;
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PROCEDURE [stdcall64-] syscall* (rax, rdi, rsi, rdx, r10, r8, r9: INTEGER): INTEGER;
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BEGIN
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SYSTEM.CODE(
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048H, 08BH, 045H, 010H, (* mov rax, qword [rbp + 16] *)
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048H, 08BH, 07DH, 018H, (* mov rdi, qword [rbp + 24] *)
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048H, 08BH, 075H, 020H, (* mov rsi, qword [rbp + 32] *)
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048H, 08BH, 055H, 028H, (* mov rdx, qword [rbp + 40] *)
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04CH, 08BH, 055H, 030H, (* mov r10, qword [rbp + 48] *)
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04CH, 08BH, 045H, 038H, (* mov r8, qword [rbp + 56] *)
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04CH, 08BH, 04DH, 040H, (* mov r9, qword [rbp + 64] *)
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00FH, 005H, (* syscall *)
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0C9H, (* leave *)
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0C2H, 038H, 000H (* ret 56 *)
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)
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RETURN 0
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END syscall;
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BEGIN
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init
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END LINAPI. |